Resolved! STM32MP15 ECO 5.0 Enabling SPI2 and SPIDEV (OPTEE error duplicate unit in stm32mp157.dsti)
Custom board. with STM32MP157 Objective is the use spidev to test and make transfer over the SPI2 bus. Problem: no ls /dev/spi*Added SPI2 using cubeMX to a project without these and generate the files.Compare the files generated with files generated ...